13P

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2020-12-10 (JD 2459193.5)
Eccentricity (e)0.9297090702 ± 3.19e-08
Semi-major axis (a)16.6888593039 AU ± 1.52e-07
Inclination (i)44.62417343° ± 1.37e-05
Long. of Asc. Node (Ω)85.87217989° ± 1.51e-05
Arg. of Perihelion (ω)64.51127082° ± 3.03e-05
Mean Anomaly (M)341.22493651° ± 4.64e-07
Mean Motion (n)0.0144565311°/day ± 1.97e-10
Perihelion dist (q)1.17307544 AU ± 5.33e-07
Aphelion dist (Q)32.20464317 AU ± 6.08e-07
Orbital Period68.17861620 yr ± 9.30e-07
Orbit Solution
SourceJPL
Solution Date2026-07-28 14:18:43
RMS Residual0.568″
Uncertainty0
Orbit TypeHalley-type Comet*
MOID0.470257 AU
Observations Used2605
Oppositions
Arc Total1887-2025
First Observation Used
Last Observation Used2025-07-31
Observations (2783)
Date Type RA Dec Mag Band Observatory
2024-06-25 22:32:26 v 1 007.4656 +51.8520 247
2024-06-25 22:33:53 C 08 06 44.962 +42 15 18.94 V 970
2024-06-26 18:54:35 C 08 11 11.50 +42 18 16.0 Z D04
2024-06-26 19:04:34 C 08 11 13.70 +42 18 17.4 Z D04
2024-06-26 19:14:32 C 08 11 15.92 +42 18 19.6 Z D04
2024-06-26 22:07:01 C 08 11 53.802 +42 18 40.60 Z M09
2024-06-26 22:14:20 C 08 11 55.405 +42 18 41.38 Z M09
2024-06-26 22:21:23 C 08 11 56.956 +42 18 42.15 Z M09
2024-06-27 18:15:46 C 08 16 19.66 +42 20 52.3 Z D04
2024-06-27 18:28:04 C 08 16 21.96 +42 20 51.1 Z D04
2024-06-27 18:43:26 C 08 16 25.46 +42 20 54.4 Z D04
2024-06-27 22:06:21 C 08 17 10.651 +42 21 15.73 q Z80
2024-06-27 22:09:44 C 08 17 11.431 +42 21 16.74 q Z80
2024-06-28 22:06:26 C 08 22 29.918 +42 22 58.63 Z M09
2024-06-28 22:13:44 C 08 22 31.529 +42 22 59.07 Z M09
2024-06-28 22:20:45 C 08 22 33.109 +42 22 59.58 Z M09
2024-06-28 22:32:28 C 08 22 35.767 +42 23 00.10 V 970
2024-06-28 22:49:14 C 08 22 39.439 +42 23 00.67 V 970
2024-06-28 22:56:55 V 08 22 41.136 +42 23 01.39 V 247
2024-06-28 22:56:55 v 1 007.4656 +51.8520 247
2024-06-28 23:01:14 V 08 22 42.187 +42 23 02.00 V 247
2024-06-28 23:01:14 v 1 007.4656 +51.8520 247
2024-06-29 04:23:10 C 08 23 53.643 +42 23 17.90 V U94
2024-06-29 04:26:27 C 08 23 54.372 +42 23 18.03 V U94
2024-06-29 04:29:42 C 08 23 55.073 +42 23 18.03 V U94
2024-06-29 18:27:54 C 08 27 02.16 +42 23 46.1 Z D04
2024-06-29 18:37:52 C 08 27 04.38 +42 23 46.8 Z D04
2024-06-29 18:47:51 C 08 27 06.60 +42 23 46.7 Z D04
2024-06-29 21:41:43 C 08 27 45.41 +42 23 50.7 q 950
2024-06-29 21:53:15 C 08 27 48.00 +42 23 50.9 q 950
2024-06-29 22:47:17 C 08 28 00.300 +42 23 49.81 V 970
2024-06-29 23:05:34 C 08 28 04.313 +42 23 51.18 V 970
2024-06-30 04:15:57 C 08 29 13.66 +42 23 54.6 V U94
2024-06-30 04:17:02 C 08 29 13.95 +42 23 54.8 V U94
2024-06-30 04:18:06 C 08 29 14.17 +42 23 54.6 V U94
2024-06-30 04:19:10 C 08 29 14.42 +42 23 54.7 V U94
2024-06-30 18:30:51 C 08 32 25.28 +42 23 50.6 Z D04
2024-06-30 18:40:50 C 08 32 27.80 +42 23 50.9 Z D04
2024-06-30 18:50:48 C 08 32 30.04 +42 23 50.6 Z D04
2024-07-01 18:18:44 C 08 37 47.18 +42 23 02.3 Z D04
2024-07-01 18:28:41 C 08 37 49.40 +42 23 04.0 Z D04
2024-07-01 18:38:39 C 08 37 51.65 +42 23 03.5 Z D04
2024-07-01 20:41:40 C 08 38 19.39 +42 22 55.6 q L27
2024-07-01 20:57:22 C 08 38 23.13 +42 22 56.3 q L27
2024-07-01 21:13:04 C 08 38 26.55 +42 22 53.1 q L27
2024-07-01 21:40:18 C 08 38 32.688 +42 22 51.96 V Z10
2024-07-01 21:41:33 C 08 38 33.073 +42 22 50.49 Z M09
2024-07-01 21:45:48 C 08 38 33.900 +42 22 50.59 V Z10
2024-07-01 21:47:31 C 08 38 34.428 +42 22 51.19 Z M09
2024-07-01 21:53:12 C 08 38 35.720 +42 22 50.72 Z M09